CN219583409U

CN219583409U - Injection molding nozzle

Info

Publication number: CN219583409U
Application number: CN202320247914.2U
Authority: CN
Inventors: 周卫文
Original assignee: Shenzhen Yijin Electronic Technology Co ltd
Current assignee: Shenzhen Yijin Electronic Technology Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-08-25
Anticipated expiration: 2033-02-07

Abstract

The utility model relates to the field of injection molding machine nozzles, and discloses a nozzle for injection molding, which comprises a connecting pipe in threaded connection with a discharge hole of an injection molding machine, wherein the outer side end of the connecting pipe is connected with a spray head, the outer side end of the connecting pipe is fixedly provided with a guide pipe, the outer side end of the connecting pipe is fixedly provided with a clamping ring, a clamping groove is formed in the clamping ring, one end, close to the clamping ring, of the spray head is fixedly provided with a clamping block matched with the clamping groove, the outer side end of the clamping ring is fixedly provided with a limiting block, and a screw rod in threaded connection with the clamping block is arranged on the limiting block in a penetrating manner; the novel injection molding nozzle is applied to injection molding by arranging a guide pipe, a clamping ring and a clamping block; the shower nozzle can conveniently insert and the connecting pipe butt joint through the stand pipe, inserts in the draw-in groove through the fixture block, then at the rotatory joint of draw-in groove, passes through the screw rod with the stopper and is connected with the fixture block this moment, accomplishes the connection of shower nozzle and connecting pipe, convenient operation is swift like this.

Description

Injection molding nozzle

Technical Field

The utility model relates to the field of injection molding machine nozzles, in particular to a nozzle for injection molding.

Background

The existing injection molding machine nozzle is in threaded connection with the discharge end of the injection molding machine, and although injection molding operation can be realized, after the nozzle is disassembled for many times, the tightness of the joint of the injection molding machine and the nozzle can be reduced, and the service life of the device is influenced; however, with the development of industry, it is often necessary to replace nozzles with different specifications to meet different processing requirements.

The prior art has solved the above-mentioned problem, for example, patent number CN217752492U proposes a nozzle of an injection molding machine, which comprises a connecting pipe, one end of which is detachably connected with a discharge end of the injection molding machine, and the other end is provided with a first flange, and a first half groove is circumferentially arranged on the end surface of the first flange far away from the injection molding machine; the spray head is provided with a second flange plate which is connected with the first flange plate through bolts; the end face of the second flange plate, which is attached to the first flange plate, is provided with a second half groove, and the first half groove and the second half groove form a built-in groove; the sealing gasket is embedded in the built-in groove in a matching way; the injection molding machine nozzle has the advantages of being capable of being disassembled for many times, good in sealing performance and not prone to leakage.

However, the following problems still exist in the above technical solutions:

through first ring flange and second ring flange connection, it is more troublesome like this when dismantling, need dismantle screw and nut more than 3 and more, and the outer wall of nozzle's temperature is higher, is difficult to control when dismantling, consequently dismantle a plurality of screws and nut and take time and take a lot of time.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the injection molding nozzle, which at least solves one of the problems of the background technology, so that the injection molding nozzle is more convenient and faster to install and fix, the nozzle can be conveniently abutted through the guide pipe, and the guide pipe is connected with the clamping block through the screw after being abutted through the clamping ring and the clamping block, thereby reducing the use quantity of the threaded rod and improving the installation efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a nozzle for injection molding, includes the connecting pipe with injection molding machine discharge gate threaded connection, the outside end of connecting pipe is connected with the shower nozzle, the outside end of connecting pipe is fixed with the stand pipe, the outside end of connecting pipe is fixed with the snap ring, the draw-in groove has been seted up on the snap ring, the one end that the shower nozzle is close to the snap ring is fixed with the fixture block that matches with the draw-in groove, the outside end of snap ring is fixed with the stopper, wear to be equipped with on the stopper with the screw rod of threaded connection on the fixture block.

The utility model further technically improves that the guide pipe is welded with the connecting pipe, the outer wall of the guide pipe is obliquely arranged, and the inner wall of the guide pipe is matched with the inner wall of the connecting pipe.

The guide pipe is sleeved with a filter screen, and the outer side wall of the filter screen is arranged flush with the outer side wall of the guide pipe.

The utility model further technically improves that the outer side end of the screw rod is in special-shaped arrangement.

The utility model further technically improves that the insertion end of the clamping block is provided with a round angle.

The utility model further technically improves that one end of the guide pipe far away from the connecting pipe is matched with the inner wall of the filter screen.

The embodiment of the utility model provides a nozzle for injection molding, which has the following beneficial effects:

the novel injection molding nozzle is applied to injection molding by arranging a guide pipe, a clamping ring and a clamping block; the shower nozzle can conveniently insert and the connecting pipe butt joint through the stand pipe, inserts in the draw-in groove through the fixture block, then at the rotatory joint of draw-in groove, passes through the screw rod with the stopper and is connected with the fixture block this moment, accomplishes the connection of shower nozzle and connecting pipe, convenient operation is swift like this.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic view of an overall structure of the present utility model;

FIG. 2 is a schematic view of a partially expanded structure of a connecting tube and a spray head according to the present utility model;

FIG. 3 is a schematic view of the whole cross-sectional structure of the present utility model.

In the figure: 1. a connecting pipe; 2. a spray head; 3. a guide tube; 4. a clasp; 5. a clamping groove; 6. a clamping block; 7. a limiting block; 8. a screw; 9. and (3) a filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a nozzle for injection molding comprises a connecting pipe 1 in threaded connection with a discharge hole of an injection molding machine, a spray head 2 is connected to the outer side end of the connecting pipe 1, a guide pipe 3 is fixed to the outer side end of the connecting pipe 1, a clamping ring 4 is fixed to the outer side end of the connecting pipe 1, a clamping groove 5 is formed in the clamping ring 4, a clamping block 6 matched with the clamping groove 5 is fixed to one end, close to the clamping ring 4, of the spray head 2, a limiting block 7 is fixed to the outer side end of the clamping ring 4, and a screw 8 in threaded connection with the clamping block 6 is arranged on the limiting block 7 in a penetrating mode.

Specific working principle and implementation mode: the guide pipe 3 is fixed at the outer end of the connecting pipe 1, the spray head 2 is firstly inserted into the guide pipe 3 when the spray head 2 is installed, hands of a worker can be liberated, the need of holding the spray head 2 all the time during installation is avoided, the clamping ring 4 is fixed at the outer end of the connecting pipe 1, the clamping groove 5 is formed in the clamping ring 4, the clamping block 6 is welded on the outer wall of the spray head 2, the clamping block 6 is firstly inserted into the clamping groove 5, then the spray head 2 is rotated to enable the clamping block 6 to be rotated into the clamping groove 5 for clamping connection, after the clamping block 6 is rotated into the clamping groove 5, the limiting block 7 is just connected with a threaded hole on the clamping block 6 in a butt joint mode, the screw rod 8 is inserted into the threaded connection with the clamping block 6, and therefore the spray head 2 can be connected with the connecting pipe 1, and the installation is convenient and fast; compared with the prior art, as in the patent number CN217752492U, the nozzle is connected through the first flange and the second flange, at least three or more threaded rods are required to be installed when the nozzle is connected, the installation is time-consuming and labor-consuming, and workers are required to hold the spray head 2 steady with the connecting pipe 1 all the time during the butt joint, so that the installation is troublesome.

As shown in fig. 3, the guiding tube 3 is welded with the connecting tube 1, the outer wall of the guiding tube 3 is inclined, the inner wall of the guiding tube 3 is matched with the inner wall of the connecting tube 1, the guiding tube 3 is welded with the connecting tube 1 for stable connection, the outer wall of the guiding tube 3 is inclined for facilitating the insertion of the nozzle 2 into the guiding tube 3, and the inner wall of the guiding tube 3 is matched with the inner wall of the connecting tube 1 for reducing gaps between the guiding tube 3 and the connecting tube 1 to avoid leakage.

As shown in fig. 3, the guide tube 3 is sleeved with the filter screen 9, the outer side wall of the filter screen 9 is flush with the outer side wall of the guide tube 3, the guide tube 3 is sleeved with the filter screen 9, the filter screen 9 is sleeved on the guide tube 3 through a clamping connection, and the outer side wall of the filter screen 9 is flush with the outer wall of the guide tube 3, so that the spray head 2 can be conveniently inserted when being installed, the spray head 2 is detached, the filter screen 9 cannot fall down, and the spray head is convenient to assemble and disassemble.

As shown in fig. 2, the outer end of the screw rod 8 is provided with a special-shaped structure which can be assembled and disassembled by a wrench, compared with the traditional screw hole assembly and disassembly, the screw rod 8 is more beneficial to being used in the industry, and workers are all operated to stand on one side of the injection molding machine, so that the screw rod 8 can be conveniently disassembled and assembled by the special-shaped structure.

As shown in fig. 2, the insertion end of the clamping block 6 is provided with a round corner, and the insertion end of the clamping block 6 is provided with a round corner so that the rotation of the spray head 2 can be facilitated through the arrangement of the round corner end after the clamping block 6 is inserted into the clamping groove 5.

As shown in fig. 3, the guide tube 3 is arranged at one end far away from the connecting tube 1 and is matched with the inner wall of the filter screen 9, and the guide tube 3 is arranged at one end far away from the connecting tube 1 and is matched with the inner wall of the filter screen 9 so as to enable the filter screen 9 to be connected with the guide tube 3 more stably when the spray head 2 is sleeved on the outer wall of the guide tube 3, so that the whole operation of the spray head is more stable.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides a nozzle for injection molding, includes connecting pipe (1) with injection molding machine discharge gate threaded connection, a serial communication port, the outside end of connecting pipe (1) is connected with shower nozzle (2), the outside end of connecting pipe (1) is fixed with stand pipe (3), the outside end of connecting pipe (1) is fixed with snap ring (4), draw-in groove (5) have been seted up on snap ring (4), the one end that shower nozzle (2) is close to snap ring (4) is fixed with fixture block (6) that match with draw-in groove (5), the outside end of snap ring (4) is fixed with stopper (7), wear to be equipped with on stopper (7) with fixture block (6) threaded connection's screw rod (8).

2. The injection molding nozzle according to claim 1, wherein the guide tube (3) is welded to the connecting tube (1), the outer wall of the guide tube (3) is inclined, and the inner wall of the guide tube (3) is matched with the inner wall of the connecting tube (1).

3. The injection nozzle according to claim 1, wherein the guide tube (3) is sleeved with a filter screen (9), and the outer side wall of the filter screen (9) is flush with the outer side wall of the guide tube (3).

4. Injection nozzle according to claim 1, characterized in that the outer end of the screw (8) is profiled.

5. Injection nozzle according to claim 1, characterized in that the insertion end of the clamping block (6) is provided with rounded corners.

6. A nozzle for injection molding according to claim 2, characterized in that the end of the guide tube (3) remote from the connecting tube (1) is arranged in a matching manner with the inner wall of the filter screen (9).